Dyed textile article and dye bath assistant

Details Dyed textile article and dye bath assistant Dyed textile article and dye bath assistant

2011-06-28

2011-06-28

Pyon, Harold Y (Department: 1761)

Bleaching and dyeing; fluid treatment and chemical modification

Organic additive for dye composition, dye composition...

Polymeric additive

C008S130000, C008S161000, C008S607000

Reexamination Certificate

active

07967873

ABSTRACT:
A dyed textile article. The dyed textile article includes a synthetic fiber substrate and a dye affixed to the substrate in a dye process that includes a using a dye assistant having an amidic nitrogen adjacent to an aromatic ring. The dye assistant may be N-methyl formanilide. The substrate of the present inventions may be a variety of substrates and is most preferably an aromatic polyamide. The present inventions also include a dye bath and a method of dyeing using a dyeing assistant having an amidic nitrogen adjacent to an aromatic ring.

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